A lot of 80's music, it seems. One trend I notice with young whites (late-teens/early-20's): rejecting music from the Boomers and later, and going back to 30's and 40's pop music. This was a #1 hit 75 years ago:
https://www.youtube.com/watch?v=laHjiAvqL2QStuff like that. You see this trend in other countries, too - oldschool musicians like Charles Aznavour in France becoming more popular, or Vera Lynn in the UK.